Finding the Fourth Proportional to 2,443.21, 3,665.18 and 883.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.21 : 3,665.18 = 883.33 : x
2. Step 2: Convert to fraction form
   2,443.21/3,665.18 = 883.33/x
3. Step 3: Cross multiply
   2,443.21x = 3,665.18 × 883.33
4. Step 4: Simplify right side
   2,443.21x = 3,237,559.03
5. Step 5: Solve for x
   x = 3,237,559.03/2,443.21
6. Step 6: Final answer
   x = 1,325.13